Alert archive / New Jersey / Flash Flood Warnings in 2019

Flash Flood Warning 26, NWS Philadelphia/Mount Holly

June 19, 2019Camden County, Gloucester County, Salem County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Jun 19, 2019, 11:19 PM EDT for Camden County, Gloucester County, Salem County, New Jersey. It was in force for 5 hr. 16 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 19, 2019, 11:19 PM EDT (03:19 UTC)
Expired
Jun 20, 2019, 4:41 AM EDT
In force
5 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Flood severity
None

Counties Camden County, NJ, Gloucester County, NJ, Salem County, NJ

The radar

The Philadelphia radar (KDIX), 70 km from the middle of the area, began a volume at 03:23 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jun 20, 12:15 AM EDTFLASH FLOODMantua, NJNJ ROUTE 45 CLOSED IN BOTH DIRECTIONS DUE TO FLOODING.
Jun 20, 12:50 AM EDTFLASH FLOOD1 E Gibbstown, NJNJ ROUTE 44 CLOSED IN BOTH DIRECTIONS DUE TO FLOODING.
Jun 20, 2:00 AM EDTFLASH FLOOD2 Ssw Greenwich Twp, NJFLOODING ON INTERSTATE 295 BETWEEN INTERCHANGES 13 AND 14 WITH LANE CLOSURES.
Jun 20, 2:05 AM EDTFLASH FLOODGloucester City, NJSEVERAL CARS PARTIALLY SUBMERGED AT THE INTERSECTION OF MARKET ST. AND BROADWAY.
Jun 20, 2:10 AM EDTFLASH FLOOD1 S Maple Shade, NJTHE CHERRY HILL RIVER GAUGE ON THE SOUTH BRANCH OF THE PENNSAUKEN CREEK REACHED FLOOD STAGE.
Jun 20, 2:10 AM EDTFLASH FLOODBellmawr, NJFLOODING ON INTERSTATE 295 IN BOTH DIRECTIONS NEAR INTERCHANGE 28 WITH LANE CLOSURES.
Jun 20, 2:15 AM EDTFLASH FLOOD1 Nnw Mantua, NJFLOODING IS BLOCKING ALL NORTHBOUND LANES OF THE NEW JERSEY TURNPIKE IN WEST DEPTFORD TOWNSHIP.
Jun 20, 2:15 AM EDTFLASH FLOOD1 Nw Cherry Hill Twp, NJNJ ROUTE 38 CLOSED IN BOTH DIRECTIONS AT LONGWOOD AVENUE.
Jun 20, 3:00 AM EDTFLASH FLOODEllisburg, NJCORRECTS TIME OF PREVIOUS FLASH FLOOD REPORT FROM ELLISBURG BASED ON INFORMATION FROM LAW ENFORCEMENT. SEVERAL WATER RESCUES IN THE KINGSTON ESTATES AREA. RUSHING WATER COVERING SEVERAL ROADS IN THE COMMUNITY. DAMAGE TO SEVERAL HOMES. TIME ESTIMATED FROM SOCIA
Jun 20, 3:30 AM EDTFLASH FLOODBarrington, NJCORRECTS TIME OF PREVIOUS FLASH FLOOD REPORT FROM BARRINGTON. NUMEROUS WATER RESCUES REPORTED ON I-295 IN BELLMAWR AND IN THE BARRINGTON AREA. U.S. 30 CLOSED BETWEEN COPLEY AVENUE AND STATE HIGHWAY 41.
Jun 20, 3:50 AM EDTFLASH FLOODHaddonfield, NJTHE RIVER GAUGE ON THE COOPER RIVER AT HADDONFIELD REACHED FLOOD STAGE.
Jun 20, 4:09 AM EDTFLASH FLOODBrooklawn, NJCORRECTS TIME OF PREVIOUS FLASH FLOOD REPORT FROM BROOKLAWN. U.S. HIGHWAY 130 CLOSED AT STATE HIGHWAY 47 FROM FLASH FLOODING.
Jun 20, 4:15 AM EDTFLASH FLOODWestville, NJSTATE HIGHWAY 47 CLOSED IN WESTVILLE FROM FLASH FLOODING.
Jun 20, 4:35 AM EDTFLASH FLOOD1 E Fairview, NJU.S. HIGHWAY 130 CLOSED NEAR STATE HIGHWAY 168 IN HADDON TWP FROM FLASH FLOODING.
Jun 20, 4:37 AM EDTFLASH FLOODOaklyn, NJU.S. HIGHWAY 30 CLOSED BETWEEN COLLINGS AVENUE AND U.S. HIGHWAY 130 IN COLLINGSWOOD.
Jun 20, 4:50 AM EDTFLASH FLOODBellmawr, NJSTATE HIGHWAY 168 CLOSED NEAR THE NEW JERSEY TURNPIKE FROM FLASH FLOODING.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 3.3 hours before the alert went out and 200 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Wallops Is Stn, VA at 00:00Z on 2019-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 570 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Wallops Is Stn, VA at 00:00Z on 2019-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
570 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
977 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
39 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted.

843 
WGUS51 KPHI 200319
FFWPHI
NJC007-015-033-200915-
/O.NEW.KPHI.FF.W.0026.190620T0319Z-190620T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
1119 PM EDT Wed Jun 19 2019

The National Weather Service in Mount Holly NJ has issued a

* Flash Flood Warning for...
  Salem County in southern New Jersey...
  Camden County in southern New Jersey...
  Gloucester County in southern New Jersey...

* Until 515 AM EDT.

* At 1118 PM EDT, Doppler radar indicated showers and thunderstorms 
  producing heavy rain across the warned area. Up to one inch of 
  rain has already fallen in spots. Flash flooding is expected to 
  begin shortly in the areas of heaviest rain.

* Some locations that could experience flooding include...
  Camden, Gloucester City, Cherry Hill, Deptford, Voorhees, West 
  Deptford, Glassboro, Lindenwold, Pennsville, Bellmawr, Woodbury, 
  Pitman, Clayton, Carneys Point, Berlin, Palmyra and Paulsboro.

Additional rainfall amounts of 2 to 3 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets and underpasses as
well as other poor drainage areas and low lying spots.

&&

LAT...LON 3951 7499 3956 7505 3952 7508 3955 7511
      3957 7544 3956 7544 3960 7556 3962 7556
      3977 7546 3981 7540 3985 7533 3985 7525
      3988 7515 3996 7513 4000 7504 3988 7493
      3979 7490 3979 7481 3973 7474

$$

Iovino
2 follow-up statements
482 
WGUS71 KPHI 200643
FFSPHI

Flash Flood Statement
National Weather Service Mount Holly NJ
243 AM EDT Thu Jun 20 2019

NJC033-200652-
/O.CAN.KPHI.FF.W.0026.000000T0000Z-190620T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Salem NJ-
243 AM EDT Thu Jun 20 2019

...THE FLASH FLOOD WARNING FOR SALEM COUNTY IS CANCELLED...

Flooding is no longer expected to pose a threat. Please continue to
heed any remaining road closures.

LAT...LON 3961 7488 3966 7524 3968 7525 3969 7532
      3973 7538 3978 7540 3979 7544 3985 7533
      3985 7525 3988 7515 3996 7513 4000 7504
      3995 7502 3988 7493 3979 7490 3979 7481
      3973 7474

$$

NJC007-015-200915-
/O.CON.KPHI.FF.W.0026.000000T0000Z-190620T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Camden NJ-Gloucester NJ-
243 AM EDT Thu Jun 20 2019

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 AM EDT FOR
CAMDEN AND GLOUCESTER COUNTIES...

At 242 AM EDT, Doppler radar indicated showers and thunderstorms 
producing heavy rain across the warned area. Conditions are 
saturated and flash flooding is occurring.

Some locations that are experiencing flooding include...
Camden, Gloucester City, Cherry Hill, Deptford, Voorhees, West 
Deptford, Glassboro, Lindenwold, Bellmawr, Woodbury, Pitman, 
Clayton, Berlin, Palmyra, Paulsboro, Magnolia, Westville, Woodbury 
Heights and National Park.

Additional rainfall amounts in excess of an inch are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets and underpasses as
well as other poor drainage areas and low lying spots.

&&

LAT...LON 3961 7488 3966 7524 3968 7525 3969 7532
      3973 7538 3978 7540 3979 7544 3985 7533
      3985 7525 3988 7515 3996 7513 4000 7504
      3995 7502 3988 7493 3979 7490 3979 7481
      3973 7474

$$

Iovino
724 
WGUS71 KPHI 200841
FFSPHI

Flash Flood Statement
National Weather Service Mount Holly NJ
441 AM EDT Thu Jun 20 2019

NJC007-015-200850-
/O.CAN.KPHI.FF.W.0026.000000T0000Z-190620T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Camden NJ-Gloucester NJ-
441 AM EDT Thu Jun 20 2019

...THE FLASH FLOOD WARNING FOR CAMDEN AND GLOUCESTER COUNTIES IS
CANCELLED...

The Flash Flood Warning has been converted to an areal Flood Warning 
and it is in effect until 4:30 PM this afternoon. Please continue to 
heed any road closures.

LAT...LON 3961 7488 3966 7524 3968 7525 3969 7532
      3973 7538 3978 7540 3979 7544 3985 7533
      3985 7525 3988 7515 3996 7513 4000 7504
      3995 7502 3988 7493 3979 7490 3979 7481
      3973 7474

$$

Iovino

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 19, 8:36 PM EDTAreal Flood AdvisoryPHIOcean2 hr
Jun 19, 8:39 PM EDTAreal Flood AdvisoryPHIBurlington, Camden, Ocean2 hr
Jun 19, 11:25 PM EDTAreal Flood WarningPHIBurlington5 hr
Jun 20, 1:49 AM EDTFlash Flood WarningPHIBurlington3 hr
Jun 20, 4:32 AM EDTMarine Dense Fog AdvisoryPHI5 hr
Jun 20, 4:38 AM EDTAreal Flood WarningPHIBurlington, Camden, Gloucester14 hr
Jun 20, 2:26 PM EDTSpecial Weather StatementPHIGloucester, Hunterdon, Salem, Somerset94 min
Jun 20, 2:33 PM EDTSevere Thunderstorm WarningPHIGloucester, Salem57 min
Jun 20, 2:48 PM EDTFlash Flood WarningPHIBurlington, Camden, Cumberland, Gloucester, Hunterdon, Mercer and 1 more4 hr
Jun 20, 3:20 PM EDTFlash Flood WarningPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Mercer and 4 more4 hr
Jun 20, 3:21 PM EDTSpecial Weather StatementPHIAtlantic24 min
Jun 20, 3:36 PM EDTSpecial Weather StatementPHIBurlington, Mercer, Middlesex, Ocean54 min
Jun 20, 4:05 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Middlesex, Monmouth, Ocean4 hr
Jun 20, 4:06 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Middlesex, Monmouth, Ocean54 min
Jun 20, 4:23 PM EDTSpecial Weather StatementPHICumberland37 min
Jun 20, 4:24 PM EDTAreal Flood AdvisoryPHIMercer, Middlesex, Monmouth, Morris, Somerset3 hr
Jun 20, 4:26 PM EDTSpecial Marine WarningPHI64 min
Jun 20, 4:40 PM EDTSpecial Weather StatementPHIOcean35 min
Jun 20, 4:44 PM EDTSevere Thunderstorm WarningPHIMonmouth, Ocean31 min
Jun 20, 5:10 PM EDTSpecial Weather StatementPHIAtlantic35 min
Jun 20, 5:15 PM EDTSpecial Marine WarningPHI90 min
Jun 20, 6:50 PM EDTAreal Flood WarningPHIBurlington10 hr

Nearby

Flash Flood Warnings in New Jersey, 2019Every flash flood warning in 2019

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.